Method addRoi

ij/src/main/java/ij/macro/Functions.java:7362–7373

(ImagePlus imp, Roi roi)

	}

	void addRoi(ImagePlus imp, Roi roi){
		Overlay overlay = imp.getOverlay();
		if (overlay==null) {
			if (offscreenOverlay==null)
				offscreenOverlay = new Overlay();
			overlay = offscreenOverlay;
		}
		if (globalColor!=null)
			roi.setStrokeColor(globalColor);
		roi.setStrokeWidth(getProcessor().getLineWidth());
		overlay.add(roi);
	}

	double showOverlay(ImagePlus imp) {
		interp.getParens();